It is thought that the name ‘Mastiff’ originated from the Anglo-Saxon word ‘masty’, meaning ‘powerful’ and the breed is one of Britain’s oldest. History’s most famous Mastiff is Sir Peers Legh’s, who protected him during the battle of Agincourt.

Lifespan

9-10 years

Size

An average dog measures approximately 76cm (30 inches) at the shoulder. The females may be slightly smaller.

Weight

75-95 kgs (165-209 lbs)

Coat

Short and close-lying

Build

This is a massive dog with a broad, squarely set body and defined muscles.

Characteristics

The Mastiff needs constant human companionship and reassurance, as they seem to lack self-confidence. They are devoted and eager to please their owners, they make excellent guard dogs, but as with most large dogs they need firm handling while training.

Colour

Mastiffs can be fawn, apricot-fawn, silver-fawn, or dark fawn-brindle. The muzzle, ears and nose should be black.